Home / 2,114,317-2,920,179.36-1,392,391.54

Finding the Fourth Proportional to 2,114,317, 2,920,179.36 and 1,392,391.54

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Solution

The fourth proportional to 2,114,317, 2,920,179.36 and 1,392,391.54 is: 1,923,095.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,317 : 2,920,179.36 = 1,392,391.54 : x
  2. Step 2: Convert to fraction form
    2,114,317/2,920,179.36 = 1,392,391.54/x
  3. Step 3: Cross multiply
    2,114,317x = 2,920,179.36 × 1,392,391.54
  4. Step 4: Simplify right side
    2,114,317x = 4,066,033,036,146.61
  5. Step 5: Solve for x
    x = 4,066,033,036,146.61/2,114,317
  6. Step 6: Final answer
    x = 1,923,095.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.